Raleigh Waves

Here is (or eventually will be) some recent research on Raleigh waves, i.e., waves localised to the surface. For now, here’s a video of a quintet of spiralling waves…

Surface waves with five-fold rotational symmetry, travelling out from the centre.

… and here’s one that ripples out radially…

This combines two waves (n=3 and n=-3) so that the waves ripple out radially.